It’s not uncommon to stumble across some interesting sights and shapes when you browse through Google Maps, but there’s something special about stumbling across forest clearings that surely must be man-made, but there’s no obvious reason for the recognisable shapes! In southern Poland, outside the town of Bokowno, we find the shape of a north arrow carved out of the nearby woods. It measures close to a massive 525 metres from one end to the other, and appears to be lined-up perfectly in a north direction. There are two sand production facilities nearby, so perhaps the arrow is…